The blasts targeted K-4 square, which includes an intersection of roads that connect the airport to the city center.
African Union troops fighting militants in the nation are stationed near the square because of its strategic position, making it a major target in recent years.
Suspects detonated a car parked beside the square, said Mohamed Mohamud Garar, the local government official in charge of security.
Four suspects are in custody, including one caught with a remote control detonator in his hand, he said. Read More